CVE-2026-45370

HIGH EPSS 12.8%
Published May 14, 20261mo ago · Modified Jun 17, 20262w ago
7.7 CVSS 3.1
High
Find Similar
Published May 14, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

python-utcp is the python implementation of UTCP. Prior to 1.1.3, _prepare_environment() in cli_communication_protocol.py passes a full copy of os.environ to every CLI subprocess. When combined with CVE-2026-45369, an attacker can exfiltrate all process-level secrets in a single tool call. This vulnerability is fixed in 1.1.3.

CVSS Details

Base Score
7.7
Exploitability
3.1
Impact
4.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
12.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-526

References 1

  • github.com https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-5v57-8rxj-3p2r

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.